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Baillie Gifford US Growth Trust PLC ILLIQ-MFMEM Liquidity Analysis
High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful
Illiquidity prediction for Tuesday, August 4th, 2026
1 Day
10,901.90
1 Week
9,725.18
1 Month
9,314.33
Analysis last updated: Tuesday, August 4, 2026 at 08:19 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Mar 23, 2018 to Jul 31, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 30136 trading days (~119.6 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate. This multi-frequency model splits illiquidity into a fast short-run component and a slow-moving long-run level that drifts over the sample rather than a constant baseline.
ILLIQ-MFMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 36 | |
α ARCH Response to squared shocks | 0.0798 | 0.76 |
β GARCH Volatility persistence | 0.7918 | 4.92*** |
γ leverage Additional response to negative shocks | 0.2567 | 1.82* |
λ₁ tau intercept Baseline long-term coefficient | 9.9970 | 0.04 |
λ₂ forecast adj. Forecast performance sensitivity | 0.4481 | 1.09 |
λ₃ tau persistence Long-term factor persistence | 0.5519 | 0.90 |
Persistence:
1.000
Half-life:
30136 days
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